From Wiktionary, the free dictionary
Semi-calqued from German Taugenichts. Alteration of tügenicht (1548); by surface analysis, טויגן (toygn) + German nichts (whose Yiddish cognate would be נישט (nisht)).
טויגעניכטס • (toygenikhts) m
- (derogatory) ne'er-do-well, good-for-nothing